private void ChargerTournee()
 {
     if (SessionObject.LstZone.Count != 0)
     {
         return;
     }
     Galatee.Silverlight.ServiceAccueil.AcceuilServiceClient service = new Galatee.Silverlight.ServiceAccueil.AcceuilServiceClient(Utility.ProtocoleFacturation(), Utility.EndPoint("Accueil"));
     service.ChargerLesTourneesCompleted += (s, args) =>
     {
         if (args != null && args.Cancelled)
         {
             return;
         }
         SessionObject.LstZone = args.Result;
     };
     service.ChargerLesTourneesAsync();
     service.CloseAsync();
 }